Duplex Option Service Check - Lexmark X642e Service Manual

FRU
10 System board
Scanner control card
Interface card

Duplex option service check

Duplex paper jams
23x.xx jam code
231.xx
232.xx
233.xx
234.xx
235.xx
236.xx
237.xx
238.xx r
Duplex does not recognize that the option is installed, or other options below the
duplex are installed
FRU
1 Autoconnect cables/
connections
Note: Before proceeding with the following service checks, verify the media used in the duplex option meets
specification and is not dog-eared or damaged in any way. See
Action
Replace the following FRUs in the order shown one at a time in until
the problem is fixed:
• Scanner control card. See
page 4-48.
• System board. See
—models X644e/X646e" on page
• Interface card. See
page 4-107.
Jam location
Media did not arrive at the duplex input sensor, but did leave the fuser exit
sensor.
Media did not clear the duplex input sensor, but did leave the printer fuser exit
sensor.
Media failed to make the duplex double feed sensor during turnaround.
Media did not arrive at the duplex exit sensor.
A piece of media is over the duplex double feed sensor.
Media did not leave the duplex exit sensor.
A duplexed sheet did not reach the printer input sensor.
A piece of media is over the duplex sensors during a reset.
Action
Check the top and bottom autoconnect connectors for signs of
damage. If damaged, replace the duplex option. If not damaged,
check the cables are correctly connected to the duplex system board
at J9, J10, J11, and J12. If no problem is found, replace the duplex
option.
"Scanner control card removal" on
"System board and inner shield removal
4-131.
"Interface card assembly removal" on
"Media specifications" on page
Diagnostic information
7002-xxx
1-9.
2-127